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Papers on Science and Nature
Fermentatiom By Yeast
Number of words: 1317 | Number of pages: 5.... process in which fuel molecules are broken down to create pyruvate and ATP molecules (Alberts, 1998). Both pyruvate and ATP are major energy sources used by the cell to do a variety of things. For example, ATP is used in cell division to divide the chromosomes (Alberts, 1998).
By taking a Carbon Dioxide, rich substance and mixing it with a yeast, solution fermentation will occur, and then it could be determined if it is a good energy-producer. In this study glacatose, sucrose, glycine, glucose, and water were used to indicate how fast fermentation occurred. The overall result shows that monosaccharides in particular galact .....
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Crystals
Number of words: 424 | Number of pages: 2.... The pan is essentially a simple vacuum evaporator in which the removal of water continues until the concentration is appropriate for crystallization. As this proceeds, juice continues to be drawn into the pan in order to maintain a supply of crystallizable sugar. The concentration of impurities increases in the syrup as sugar is withdrawn by crystallization, and the entire boiling mass stiffens as the viscosity increases and the quantity of grows. These two factors determine the termination of the strike, since the deposition of sugar on the growing is impeded more and more as the mother liquor becomes more impure and more .....
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Mars 2
Number of words: 1038 | Number of pages: 4.... hemisphere consists of a wider variety of geological features, but is obviously smoother and much younger. There are large volcanoes, a great rift valley, and a variety of channels.
Volcanism is a geological process that occurs on Earth today, and has on many planetary bodies throughout the history of the solar system. No volcanism is occurring on the surface of Mars today. In the past, however, volcanism was one of the main forces creating and reshaping the surface of the planet. All of the rocks that have been observed by the Viking landers and the Mars Pathfinder Rover are generally agreed to be volcanic in origin.
T .....
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Chinook Salmon
Number of words: 601 | Number of pages: 3.... by the giant turbines on their way back to the ocean.
Killing off many of the salmons new generation. Pollution is also a killer of
many Chinook salmon. Pollution caused by sewage, farming, grazing, logging and
mining find it's way into our waters. These harmful substances kill many
species of fish and other marine life. The Chinook salmon is no exception. The
chemicals are dumped into the rivers and streams and eventually these chemicals
find their way to the ocean, polluting and effecting each area they pass through.
The largest contributor to the decline in the Chinook salmon population is the
commercial fishing indus .....
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Organ Cloning: The Future Of Our Lives…
Number of words: 902 | Number of pages: 4.... and the program did not succeed, then we would not have the technology that we have today. Cloning organs can only yield new technologies that will be beneficial to society.
Organ cloning is something that would be extremely beneficial to society. Imagine the ability to "create" a liver for James Earl Ray. He was the man that was accused in the assassination of Dr. Martin Luther King Jr. After he died, new evidence was brought forth in finding that he might not have been responsible for King’s death. Imagine if the technology was available to clone his liver in order to prolong his life so that the truth could be shown. That .....
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The Depletion Of Ozone Layer
Number of words: 2615 | Number of pages: 10.... radiation from the sun before it reaches ground level, where it can cause sun burn, skin cancer and cataracts. Research suggests that any additional UV-B (ultra-violet radiation) at ground level could depress our bodies’ immune systems, damage the natural food chain and reduce crop yields. Although ozone makes up less that 1ppm of all the gases in our planet’s atmosphere, but it is essential to life on earth. Scientists assume that in the early days of the earth’s evolution there was no atmosphere, but gases from planet surfaces and volcanoes slowly collected. At first, the gas was little protection from the sun’s UV .....
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Depression 4
Number of words: 2636 | Number of pages: 10.... health professionals use the term clinical depression to refer to any of the above forms of depression.
Surveys indicate that people commonly view depression as a sign of personal weakness, but psychiatrists and psychologists view it as a real illness. In the United States, the National Institute of Mental Health has estimated that depression costs society many billions of dollars each year, mostly in lost work time.
II PREVALENCE
Depression is one of the most common mental illnesses. At least 8 percent of adults in the United States experience serious depression at some point during their lives, and estimates range as high a .....
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Acid Rain
Number of words: 1940 | Number of pages: 8.... large. Detecting an acid lake is
often quite difficult. A lake does not become acid over night. It happens over a
period of many years, some times decades. The changes are usually to gradual for
them to be noticed early.
At the beginning of the 20th century most rivers/lakes like the river
Tovdal in Norway had not yet begun to die. However by 1926 local inspectors were
noticing that many of the lakes were beginning to show signs of death. Fish were
found dead along the banks of many rivers. As the winters ice began to melt off
more and more hundreds upon hundreds more dead fish (trout in particular) were
being found. It was .....
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The Big Bang
Number of words: 1282 | Number of pages: 5.... This model assumes the perfect cosmological principle. This principle
says that the universe is the same everywhere on the large scale, at all times.2
It maintains the same average density of matter forever.
There are observational evidences found that can prove the Big Bang model
is more reasonable than the Steady State model. First, the redshifts of distant
galaxies. Redshift is a Doppler effect which states that if a galaxy is moving
away, the spectral line of that galaxy observed will have a shift to the red end.
The faster the galaxy moves, the more shift it has. If the galaxy is moving
closer, the spectral .....
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Holograms
Number of words: 1072 | Number of pages: 4.... seems to "move" out of
the way so you can see the orange or even the back of the apple. If that
seems a bit obvious, just try looking behind something in a regular
photograph! You can't, because the photograph can't reproduce the
infinitely complicated waves of light reflected by objects; the lens of a
camera can only focus those waves into a flat, 2-D image. But a hologram
can capture a 3-D image so lifelike that you can look around the image of
the apple to an orange in the background -and it's all thanks to the
special kind of light waves produced by a laser.
"Normal" white light from the sun or a lightbulb is a combinati .....
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